/**** 
* Plugins
****/ 
var tween = LK.import("@upit/tween.v1");
var storage = LK.import("@upit/storage.v1");

/**** 
* Classes
****/ 
var Bullet = Container.expand(function (tower, target, towerType) {
	var self = Container.call(this);
	var bulletGraphics = self.attachAsset('bullet', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.tower = tower;
	self.target = target;
	self.towerType = towerType;
	self.speed = 8;
	// Calculate direction from tower to target
	var dx = target.x - tower.x;
	var dy = target.y - tower.y;
	var distance = Math.sqrt(dx * dx + dy * dy);
	self.vx = dx / distance * self.speed;
	self.vy = dy / distance * self.speed;
	self.update = function () {
		self.x += self.vx;
		self.y += self.vy;
		// Check collision with intended target only
		if (self.target && self.target.parent && self.intersects(self.target)) {
			self.hit();
			return;
		}
		// Remove bullet if target is destroyed
		if (!self.target || !self.target.parent) {
			self.destroy();
			for (var i = bullets.length - 1; i >= 0; i--) {
				if (bullets[i] === self) {
					bullets.splice(i, 1);
					break;
				}
			}
			return;
		}
		// Remove if off screen with stricter bounds to prevent visual issues
		if (self.x < -50 || self.x > 2098 || self.y < -50 || self.y > 2782) {
			self.destroy();
			for (var i = bullets.length - 1; i >= 0; i--) {
				if (bullets[i] === self) {
					bullets.splice(i, 1);
					break;
				}
			}
		}
	};
	self.hit = function () {
		LK.getSound('hit').play();
		if (self.towerType === 'splash') {
			// Splash damage
			for (var i = enemies.length - 1; i >= 0; i--) {
				var enemy = enemies[i];
				if (enemy && enemy.parent) {
					var dx = enemy.x - self.x;
					var dy = enemy.y - self.y;
					var distance = Math.sqrt(dx * dx + dy * dy);
					if (distance <= self.tower.splashRadius) {
						var killed = enemy.takeDamage(self.tower.damage);
						if (killed) {
							coins += enemy.reward;
							enemy.destroy();
							enemies.splice(i, 1);
						}
					}
				}
			}
			// Create explosion effect
			var explosion = LK.getAsset('explosion', {
				anchorX: 0.5,
				anchorY: 0.5
			});
			explosion.x = self.x;
			explosion.y = self.y;
			explosion.alpha = 0.7;
			game.addChild(explosion);
			tween(explosion, {
				scaleX: 2,
				scaleY: 2,
				alpha: 0
			}, {
				duration: 300,
				onFinish: function onFinish() {
					explosion.destroy();
				}
			});
		} else {
			// Regular damage
			if (self.target && self.target.parent) {
				var killed = self.target.takeDamage(self.tower.damage);
				if (killed) {
					coins += self.target.reward;
					self.target.destroy();
					var targetIndex = enemies.indexOf(self.target);
					if (targetIndex !== -1) {
						enemies.splice(targetIndex, 1);
					}
				}
				// Apply slow effect if slow tower
				if (self.towerType === 'slow' && !killed) {
					self.target.applySlow(self.tower.slowFactor, self.tower.slowDuration);
				}
			}
		}
		// Remove bullet
		self.destroy();
		for (var i = bullets.length - 1; i >= 0; i--) {
			if (bullets[i] === self) {
				bullets.splice(i, 1);
				break;
			}
		}
	};
	return self;
});
// Game variables
var Enemy = Container.expand(function (type, pathIndex) {
	var self = Container.call(this);
	// Enemy properties based on type
	var enemyConfig = {
		basic: {
			asset: 'basicEnemy',
			health: 100,
			speed: 2,
			reward: 10
		},
		fast: {
			asset: 'fastEnemy',
			health: 60,
			speed: 4,
			reward: 15
		},
		tank: {
			asset: 'tankEnemy',
			health: 300,
			speed: 1,
			reward: 25
		},
		boss: {
			asset: 'tankEnemy',
			health: 1000,
			speed: 1.5,
			reward: 100
		}
	};
	var config = enemyConfig[type] || enemyConfig.basic;
	var enemyGraphics = self.attachAsset(config.asset, {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.maxHealth = config.health;
	self.health = config.health;
	self.speed = config.speed;
	self.reward = config.reward;
	self.pathIndex = pathIndex || 0;
	self.slowEffect = 1;
	self.slowDuration = 0;
	// Health bar
	var healthBarBg = LK.getAsset('pathTile', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 0.6,
		scaleY: 0.1,
		y: -40
	});
	healthBarBg.tint = 0x333333;
	self.addChild(healthBarBg);
	var healthBar = LK.getAsset('pathTile', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 0.6,
		scaleY: 0.1,
		y: -40
	});
	healthBar.tint = 0x00FF00;
	self.addChild(healthBar);
	self.healthBar = healthBar;
	self.takeDamage = function (damage) {
		self.health -= damage;
		var healthPercent = Math.max(0, self.health / self.maxHealth);
		self.healthBar.scaleX = 0.6 * healthPercent;
		// Health bar color changes
		if (healthPercent > 0.6) {
			self.healthBar.tint = 0x00FF00;
		} else if (healthPercent > 0.3) {
			self.healthBar.tint = 0xFFFF00;
		} else {
			self.healthBar.tint = 0xFF0000;
		}
		// Flash effect
		tween(enemyGraphics, {
			tint: 0xFF0000
		}, {
			duration: 100,
			onFinish: function onFinish() {
				tween(enemyGraphics, {
					tint: 0xFFFFFF
				}, {
					duration: 100
				});
			}
		});
		return self.health <= 0;
	};
	self.applySlow = function (factor, duration) {
		self.slowEffect = Math.min(self.slowEffect, factor);
		self.slowDuration = Math.max(self.slowDuration, duration);
	};
	self.update = function () {
		// Update slow effect
		if (self.slowDuration > 0) {
			self.slowDuration--;
			if (self.slowDuration <= 0) {
				self.slowEffect = 1;
			}
		}
		// Move along path
		if (self.pathIndex < gamePath.length - 1 && gamePath[self.pathIndex + 1]) {
			var currentTarget = gamePath[self.pathIndex + 1];
			var dx = currentTarget.x - self.x;
			var dy = currentTarget.y - self.y;
			var distance = Math.sqrt(dx * dx + dy * dy);
			if (distance < 20) {
				self.pathIndex++;
				if (self.pathIndex >= gamePath.length - 1) {
					// Reached base
					baseHealth--;
					return;
				}
			} else {
				var moveSpeed = self.speed * self.slowEffect;
				var newX = self.x + dx / distance * moveSpeed;
				var newY = self.y + dy / distance * moveSpeed;
				// Ensure enemy stays within screen bounds with safety margin
				var enemySafetyMargin = 50;
				self.x = Math.max(enemySafetyMargin, Math.min(2048 - enemySafetyMargin, newX));
				self.y = Math.max(enemySafetyMargin, Math.min(2732 - enemySafetyMargin, newY));
			}
		} else if (self.pathIndex >= gamePath.length - 1) {
			// Reached base
			baseHealth--;
			return;
		}
	};
	return self;
});
var Tower = Container.expand(function (type) {
	var self = Container.call(this);
	// Tower configurations
	var towerConfig = {
		basic: {
			asset: 'basicTower',
			damage: 25,
			range: 180,
			fireRate: 60,
			cost: 100,
			upgradeCost: 75
		},
		splash: {
			asset: 'splashTower',
			damage: 40,
			range: 150,
			fireRate: 90,
			cost: 200,
			upgradeCost: 150,
			splashRadius: 80
		},
		slow: {
			asset: 'slowTower',
			damage: 15,
			range: 200,
			fireRate: 45,
			cost: 150,
			upgradeCost: 100,
			slowFactor: 0.5,
			slowDuration: 120
		}
	};
	var config = towerConfig[type] || towerConfig.basic;
	var towerGraphics = self.attachAsset(config.asset, {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.type = type;
	self.damage = config.damage;
	self.range = config.range;
	self.fireRate = config.fireRate;
	self.cost = config.cost;
	self.upgradeCost = config.upgradeCost;
	self.splashRadius = config.splashRadius;
	self.slowFactor = config.slowFactor;
	self.slowDuration = config.slowDuration;
	self.lastShot = 0;
	self.level = 1;
	// Range indicator (hidden by default)
	var rangeIndicator = LK.getAsset('pathTile', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: self.range / 50,
		scaleY: self.range / 50
	});
	rangeIndicator.tint = 0x00FF00;
	rangeIndicator.alpha = 0.2;
	rangeIndicator.visible = false;
	self.addChild(rangeIndicator);
	self.rangeIndicator = rangeIndicator;
	self.showRange = function () {
		self.rangeIndicator.visible = true;
	};
	self.hideRange = function () {
		self.rangeIndicator.visible = false;
	};
	self.canShoot = function () {
		return LK.ticks - self.lastShot >= self.fireRate;
	};
	self.findTarget = function () {
		var closestEnemy = null;
		var closestDistance = self.range;
		for (var i = 0; i < enemies.length; i++) {
			var enemy = enemies[i];
			if (enemy && enemy.parent) {
				var dx = enemy.x - self.x;
				var dy = enemy.y - self.y;
				var distance = Math.sqrt(dx * dx + dy * dy);
				if (distance <= self.range && distance < closestDistance) {
					closestEnemy = enemy;
					closestDistance = distance;
				}
			}
		}
		return closestEnemy;
	};
	self.shoot = function (target) {
		if (!self.canShoot()) return;
		self.lastShot = LK.ticks;
		// Create bullet
		var bullet = new Bullet(self, target, self.type);
		bullet.x = self.x;
		bullet.y = self.y;
		bullets.push(bullet);
		game.addChild(bullet);
		LK.getSound('shoot').play();
	};
	self.upgrade = function () {
		if (coins >= self.upgradeCost) {
			coins -= self.upgradeCost;
			self.level++;
			self.damage = Math.floor(self.damage * 1.5);
			self.range = Math.floor(self.range * 1.1);
			self.upgradeCost = Math.floor(self.upgradeCost * 1.8);
			// Update global tower info stats
			towerInfoStats[self.type].level = Math.max(towerInfoStats[self.type].level, self.level);
			towerInfoStats[self.type].damage = Math.max(towerInfoStats[self.type].damage, self.damage);
			towerInfoStats[self.type].upgradeCost = Math.max(towerInfoStats[self.type].upgradeCost, self.upgradeCost);
			// Visual upgrade effect
			tween(towerGraphics, {
				scaleX: 1.2,
				scaleY: 1.2
			}, {
				duration: 200,
				onFinish: function onFinish() {
					tween(towerGraphics, {
						scaleX: 1,
						scaleY: 1
					}, {
						duration: 200
					});
				}
			});
			// Update range indicator
			self.rangeIndicator.scaleX = self.range / 50;
			self.rangeIndicator.scaleY = self.range / 50;
			return true;
		}
		return false;
	};
	self.down = function (x, y, obj) {
		selectedTower = self;
		self.showRange();
	};
	self.update = function () {
		// Find target in range
		var target = self.findTarget();
		if (target) {
			// Rotate tower towards target
			var angle = Math.atan2(target.y - self.y, target.x - self.x);
			towerGraphics.rotation = angle;
			// Shoot if ready
			if (self.canShoot()) {
				self.shoot(target);
			}
		}
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x4a6b3a
});

/**** 
* Game Code
****/ 
// Sounds
// Game elements
// Enemy assets
// Tower assets
// Game variables
var gamePath = [{
	x: 100,
	y: 400
}, {
	x: 500,
	y: 400
}, {
	x: 500,
	y: 800
}, {
	x: 900,
	y: 800
}, {
	x: 900,
	y: 1200
}, {
	x: 1400,
	y: 1200
}, {
	x: 1400,
	y: 1600
}, {
	x: 1800,
	y: 1600
}];
var enemies = [];
var towers = [];
var bullets = [];
var coins = 300;
var baseHealth = 100;
var currentWave = 1;
var enemiesSpawned = 0;
var enemiesPerWave = 5;
var waveDelay = 0;
var selectedTower = null;
var towerInfoPanel = null;
var bossWave = false;
var bossSpawned = false;
var pathExtensionFactor = 1.0;
var isInitialPath = true;
var wavePathLengths = storage.wavePathLengths || []; // Track path length for each wave - load from database
var previousWavePathLength = storage.previousWavePathLength || 3000; // Track path length from previous wave - load from database
// Initialize empty path - will be generated when wave starts
// Create base and baslangic placeholders - will be positioned when path is generated
var base = LK.getAsset('base', {
	anchorX: 0.5,
	anchorY: 0.5
});
base.x = 1800;
base.y = 1600;
game.addChild(base);
// Create baslangic image at spawn point
var baslangicImage = LK.getAsset('baslangic', {
	anchorX: 0.5,
	anchorY: 0.5
});
baslangicImage.x = 200;
baslangicImage.y = 1000;
game.addChild(baslangicImage);
// UI Elements
var coinsText = new Text2('Coins: ' + coins, {
	size: 50,
	fill: 0xFFD700
});
coinsText.anchor.set(0, 0);
coinsText.x = 150;
coinsText.y = 20;
LK.gui.topLeft.addChild(coinsText);
var healthText = new Text2('Base Health: ' + baseHealth, {
	size: 50,
	fill: 0xFF0000
});
healthText.anchor.set(1, 0);
healthText.y = 20;
LK.gui.topRight.addChild(healthText);
var waveText = new Text2('Wave: ' + currentWave, {
	size: 50,
	fill: 0xFFFFFF
});
waveText.anchor.set(0.5, 0);
waveText.y = 20;
LK.gui.top.addChild(waveText);
var pathLengthText = new Text2('Path Length: 0', {
	size: 40,
	fill: 0x00FFFF
});
pathLengthText.anchor.set(0.5, 0);
pathLengthText.y = 80;
LK.gui.top.addChild(pathLengthText);
// Wave selector dropdown
var waveDropdownBtn = new Text2('Select Wave ▼', {
	size: 40,
	fill: 0x00FF00
});
waveDropdownBtn.anchor.set(0.5, 0);
waveDropdownBtn.x = 0;
waveDropdownBtn.y = 170;
LK.gui.top.addChild(waveDropdownBtn);
// Dropdown container (initially hidden)
var dropdownContainer = new Container();
dropdownContainer.visible = false;
dropdownContainer.x = 0;
dropdownContainer.y = 220;
LK.gui.top.addChild(dropdownContainer);
// Dropdown background
var dropdownBg = LK.getAsset('pathTile', {
	anchorX: 0.5,
	anchorY: 0,
	scaleX: 4,
	scaleY: 8
});
dropdownBg.tint = 0x333333;
dropdownBg.alpha = 0.9;
dropdownContainer.addChild(dropdownBg);
// Wave selection buttons (create 20 wave options)
var waveButtons = [];
for (var i = 1; i <= 20; i++) {
	var waveBtn = new Text2('Wave ' + i, {
		size: 35,
		fill: 0xFFFFFF
	});
	waveBtn.anchor.set(0.5, 0);
	waveBtn.x = 0;
	waveBtn.y = (i - 1) * 45 + 10;
	waveBtn.waveNumber = i;
	dropdownContainer.addChild(waveBtn);
	waveButtons.push(waveBtn);
}
var dropdownVisible = false;
// Tower selection buttons
var basicTowerImage = LK.getAsset('basicTower', {
	anchorX: 0.5,
	anchorY: 1,
	scaleX: 0.8,
	scaleY: 0.8
});
basicTowerImage.x = 60;
basicTowerImage.y = -20;
LK.gui.bottomLeft.addChild(basicTowerImage);
var basicTowerBtn = new Text2('Basic (100)', {
	size: 40,
	fill: 0x4444FF
});
basicTowerBtn.anchor.set(0, 1);
basicTowerBtn.x = 100;
basicTowerBtn.y = -20;
LK.gui.bottomLeft.addChild(basicTowerBtn);
var basicTowerInfo = new Text2('Level: 1 | DMG: 25 | Upgrade: 75', {
	size: 25,
	fill: 0xFFFFFF
});
basicTowerInfo.anchor.set(0, 1);
basicTowerInfo.x = 350;
basicTowerInfo.y = -20;
LK.gui.bottomLeft.addChild(basicTowerInfo);
var splashTowerImage = LK.getAsset('splashTower', {
	anchorX: 0.5,
	anchorY: 1,
	scaleX: 0.8,
	scaleY: 0.8
});
splashTowerImage.x = 60;
splashTowerImage.y = -80;
LK.gui.bottomLeft.addChild(splashTowerImage);
var splashTowerBtn = new Text2('Splash (200)', {
	size: 40,
	fill: 0xFF4444
});
splashTowerBtn.anchor.set(0, 1);
splashTowerBtn.x = 100;
splashTowerBtn.y = -80;
LK.gui.bottomLeft.addChild(splashTowerBtn);
var splashTowerInfo = new Text2('Level: 1 | DMG: 40 | Upgrade: 150', {
	size: 25,
	fill: 0xFFFFFF
});
splashTowerInfo.anchor.set(0, 1);
splashTowerInfo.x = 350;
splashTowerInfo.y = -80;
LK.gui.bottomLeft.addChild(splashTowerInfo);
var slowTowerImage = LK.getAsset('slowTower', {
	anchorX: 0.5,
	anchorY: 1,
	scaleX: 0.8,
	scaleY: 0.8
});
slowTowerImage.x = 60;
slowTowerImage.y = -140;
LK.gui.bottomLeft.addChild(slowTowerImage);
var slowTowerBtn = new Text2('Slow (150)', {
	size: 40,
	fill: 0x44FF44
});
slowTowerBtn.anchor.set(0, 1);
slowTowerBtn.x = 100;
slowTowerBtn.y = -140;
LK.gui.bottomLeft.addChild(slowTowerBtn);
var slowTowerInfo = new Text2('Level: 1 | DMG: 15 | Upgrade: 100', {
	size: 25,
	fill: 0xFFFFFF
});
slowTowerInfo.anchor.set(0, 1);
slowTowerInfo.x = 350;
slowTowerInfo.y = -140;
LK.gui.bottomLeft.addChild(slowTowerInfo);
// Add levelatla upgrade buttons
var basicLevelatlaBtn = LK.getAsset('levelatla', {
	anchorX: 0.5,
	anchorY: 0.5,
	scaleX: 0.3,
	scaleY: 0.3
});
basicLevelatlaBtn.x = 770;
basicLevelatlaBtn.y = -40;
LK.gui.bottomLeft.addChild(basicLevelatlaBtn);
var splashLevelatlaBtn = LK.getAsset('levelatla', {
	anchorX: 0.5,
	anchorY: 0.5,
	scaleX: 0.3,
	scaleY: 0.3
});
splashLevelatlaBtn.x = 770;
splashLevelatlaBtn.y = -100;
LK.gui.bottomLeft.addChild(splashLevelatlaBtn);
var slowLevelatlaBtn = LK.getAsset('levelatla', {
	anchorX: 0.5,
	anchorY: 0.5,
	scaleX: 0.3,
	scaleY: 0.3
});
slowLevelatlaBtn.x = 770;
slowLevelatlaBtn.y = -160;
LK.gui.bottomLeft.addChild(slowLevelatlaBtn);
// Selected tower type
var selectedTowerType = 'basic';
// Tower info tracking
var towerInfoStats = {
	basic: {
		level: 1,
		damage: 25,
		upgradeCost: 75
	},
	splash: {
		level: 1,
		damage: 40,
		upgradeCost: 150
	},
	slow: {
		level: 1,
		damage: 15,
		upgradeCost: 100
	}
};
// Add background highlights for tower selection
var basicTowerBg = LK.getAsset('pathTile', {
	anchorX: 0,
	anchorY: 0.5,
	scaleX: 8.0,
	scaleY: 0.8
});
basicTowerBg.tint = 0x00FF00;
basicTowerBg.alpha = 0.3;
basicTowerBg.x = 10;
basicTowerBg.y = -40;
LK.gui.bottomLeft.addChild(basicTowerBg);
var splashTowerBg = LK.getAsset('pathTile', {
	anchorX: 0,
	anchorY: 0.5,
	scaleX: 8.0,
	scaleY: 0.8
});
splashTowerBg.tint = 0x00FF00;
splashTowerBg.alpha = 0;
splashTowerBg.x = 10;
splashTowerBg.y = -100;
LK.gui.bottomLeft.addChild(splashTowerBg);
var slowTowerBg = LK.getAsset('pathTile', {
	anchorX: 0,
	anchorY: 0.5,
	scaleX: 8.0,
	scaleY: 0.8
});
slowTowerBg.tint = 0x00FF00;
slowTowerBg.alpha = 0;
slowTowerBg.x = 10;
slowTowerBg.y = -160;
LK.gui.bottomLeft.addChild(slowTowerBg);
// Helper functions
function calculatePathLength() {
	if (!gamePath || gamePath.length < 2) return 0;
	var totalLength = 0;
	for (var i = 0; i < gamePath.length - 1; i++) {
		var dx = gamePath[i + 1].x - gamePath[i].x;
		var dy = gamePath[i + 1].y - gamePath[i].y;
		totalLength += Math.sqrt(dx * dx + dy * dy);
	}
	return Math.round(totalLength);
}
function updateUI() {
	coinsText.setText('Coins: ' + coins);
	healthText.setText('Base Health: ' + baseHealth);
	waveText.setText('Wave: ' + currentWave + (bossWave ? ' (BOSS)' : ''));
	pathLengthText.setText('Path Length: ' + calculatePathLength() + ' px');
	// "6th wave" text display removed per request
	// Update button colors based on affordability
	basicTowerBtn.tint = coins >= 100 ? 0x4444FF : 0x666666;
	splashTowerBtn.tint = coins >= 200 ? 0xFF4444 : 0x666666;
	slowTowerBtn.tint = coins >= 150 ? 0x44FF44 : 0x666666;
	// Update tower info displays
	basicTowerInfo.setText('Level: ' + towerInfoStats.basic.level + ' | DMG: ' + towerInfoStats.basic.damage + ' | Upgrade: ' + towerInfoStats.basic.upgradeCost);
	splashTowerInfo.setText('Level: ' + towerInfoStats.splash.level + ' | DMG: ' + towerInfoStats.splash.damage + ' | Upgrade: ' + towerInfoStats.splash.upgradeCost);
	slowTowerInfo.setText('Level: ' + towerInfoStats.slow.level + ' | DMG: ' + towerInfoStats.slow.damage + ' | Upgrade: ' + towerInfoStats.slow.upgradeCost);
	// Update tower selection highlighting
	basicTowerBg.alpha = selectedTowerType === 'basic' ? 0.3 : 0;
	splashTowerBg.alpha = selectedTowerType === 'splash' ? 0.3 : 0;
	slowTowerBg.alpha = selectedTowerType === 'slow' ? 0.3 : 0;
	// Add pulsing animation to selected tower
	var selectedBg = selectedTowerType === 'basic' ? basicTowerBg : selectedTowerType === 'splash' ? splashTowerBg : slowTowerBg;
	if (selectedBg.alpha > 0) {
		var pulseAlpha = 0.3 + Math.sin(LK.ticks * 0.1) * 0.1;
		selectedBg.alpha = pulseAlpha;
	}
	// Show/hide levelatla buttons based on available coins
	basicLevelatlaBtn.visible = coins >= towerInfoStats.basic.upgradeCost;
	splashLevelatlaBtn.visible = coins >= towerInfoStats.splash.upgradeCost;
	slowLevelatlaBtn.visible = coins >= towerInfoStats.slow.upgradeCost;
}
function canPlaceTower(x, y) {
	// Check if position is not on path points
	for (var i = 0; i < gamePath.length; i++) {
		var pathPoint = gamePath[i];
		var distance = Math.sqrt((x - pathPoint.x) * (x - pathPoint.x) + (y - pathPoint.y) * (y - pathPoint.y));
		if (distance < 80) {
			return false;
		}
	}
	// Check if position is not on path segments
	for (var i = 0; i < gamePath.length - 1; i++) {
		var startPoint = gamePath[i];
		var endPoint = gamePath[i + 1];
		// Calculate distance from point to line segment
		var A = x - startPoint.x;
		var B = y - startPoint.y;
		var C = endPoint.x - startPoint.x;
		var D = endPoint.y - startPoint.y;
		var dot = A * C + B * D;
		var lenSq = C * C + D * D;
		var param = lenSq != 0 ? dot / lenSq : -1;
		var xx, yy;
		if (param < 0) {
			xx = startPoint.x;
			yy = startPoint.y;
		} else if (param > 1) {
			xx = endPoint.x;
			yy = endPoint.y;
		} else {
			xx = startPoint.x + param * C;
			yy = startPoint.y + param * D;
		}
		var dx = x - xx;
		var dy = y - yy;
		var distance = Math.sqrt(dx * dx + dy * dy);
		if (distance < 80) {
			return false;
		}
	}
	// Check if position is not too close to other towers
	for (var i = 0; i < towers.length; i++) {
		var tower = towers[i];
		var distance = Math.sqrt((x - tower.x) * (x - tower.x) + (y - tower.y) * (y - tower.y));
		if (distance < 100) {
			return false;
		}
	}
	return true;
}
function spawnEnemy() {
	var enemyTypes = ['basic', 'fast', 'tank'];
	var waveMultiplier = Math.floor((currentWave - 1) / 3);
	// Choose enemy type based on wave
	var enemyType = 'basic';
	if (currentWave > 3) {
		enemyType = enemyTypes[Math.floor(Math.random() * 2)]; // basic or fast
	}
	if (currentWave > 6) {
		enemyType = enemyTypes[Math.floor(Math.random() * 3)]; // all types
	}
	var enemy = new Enemy(enemyType, 0);
	enemy.x = gamePath[0].x;
	enemy.y = gamePath[0].y;
	// Scale health for later waves
	enemy.maxHealth *= 1 + waveMultiplier * 0.5;
	enemy.health = enemy.maxHealth;
	enemies.push(enemy);
	game.addChild(enemy);
	enemiesSpawned++;
}
function generateNewPath() {
	// Clear existing path tiles
	for (var i = 0; i < game.children.length; i++) {
		var child = game.children[i];
		if (child.tint === 0x8B4513) {
			child.destroy();
			i--;
		}
	}
	// For Wave 1, Wave 6, Wave 11, and Wave 16, generate varied paths with strict boundary validation
	if (currentWave === 1 || currentWave === 6 || currentWave === 11 || currentWave === 16) {
		// Pre-validate that special waves use safe boundaries
		var specialWaveMinX = Math.floor(screenWidth * 0.25); // 25% margin for special waves
		var specialWaveMaxX = screenWidth - Math.floor(screenWidth * 0.25); // 25% margin
		var specialWaveMinY = Math.floor(screenHeight * 0.35); // 35% margin for special waves  
		var specialWaveMaxY = screenHeight - Math.floor(screenHeight * 0.35); // 35% margin
		// Generate multiple path variations for Wave 1, Wave 6, and Wave 11
		var pathVariations = [
		// Variation 1: Zigzag pattern
		[{
			x: 150,
			y: 800
		}, {
			x: 600,
			y: 800
		}, {
			x: 600,
			y: 1300
		}, {
			x: 1050,
			y: 1300
		}, {
			x: 1050,
			y: 800
		}, {
			x: 1500,
			y: 800
		}, {
			x: 1500,
			y: 1300
		}, {
			x: 1800,
			y: 1300
		}],
		// Variation 2: L-shape pattern
		[{
			x: 200,
			y: 1200
		}, {
			x: 800,
			y: 1200
		}, {
			x: 800,
			y: 600
		}, {
			x: 1400,
			y: 600
		}, {
			x: 1400,
			y: 1000
		}, {
			x: 1700,
			y: 1000
		}, {
			x: 1700,
			y: 1400
		}],
		// Variation 3: S-curve pattern
		[{
			x: 250,
			y: 900
		}, {
			x: 650,
			y: 900
		}, {
			x: 650,
			y: 1400
		}, {
			x: 1150,
			y: 1400
		}, {
			x: 1150,
			y: 700
		}, {
			x: 1650,
			y: 700
		}, {
			x: 1650,
			y: 1200
		}],
		// Variation 4: Step pattern
		[{
			x: 180,
			y: 1100
		}, {
			x: 530,
			y: 1100
		}, {
			x: 530,
			y: 800
		}, {
			x: 880,
			y: 800
		}, {
			x: 880,
			y: 1500
		}, {
			x: 1230,
			y: 1500
		}, {
			x: 1230,
			y: 1000
		}, {
			x: 1580,
			y: 1000
		}, {
			x: 1750,
			y: 1000
		}]];
		// Select a random variation
		var selectedVariation = pathVariations[Math.floor(Math.random() * pathVariations.length)];
		// Scale the selected variation to exactly 3000 pixels for Wave 1, 3300 pixels for Wave 6, 3600 pixels for Wave 11, or 4000 pixels for Wave 16
		var targetLength = currentWave === 1 ? 3000 : currentWave === 6 ? 3300 : currentWave === 11 ? 3600 : 4000;
		var originalLength = 0;
		for (var i = 0; i < selectedVariation.length - 1; i++) {
			var dx = selectedVariation[i + 1].x - selectedVariation[i].x;
			var dy = selectedVariation[i + 1].y - selectedVariation[i].y;
			originalLength += Math.sqrt(dx * dx + dy * dy);
		}
		// Apply scaling factor to reach exactly target length
		var scaleFactor = targetLength / originalLength;
		gamePath = [];
		for (var i = 0; i < selectedVariation.length; i++) {
			if (i === 0) {
				// Keep first point as-is
				gamePath.push({
					x: selectedVariation[i].x,
					y: selectedVariation[i].y
				});
			} else {
				// Scale subsequent segments
				var prevPoint = gamePath[i - 1];
				var originalDx = selectedVariation[i].x - selectedVariation[i - 1].x;
				var originalDy = selectedVariation[i].y - selectedVariation[i - 1].y;
				var scaledDx = originalDx * scaleFactor;
				var scaledDy = originalDy * scaleFactor;
				gamePath.push({
					x: prevPoint.x + scaledDx,
					y: prevPoint.y + scaledDy
				});
			}
		}
		// Draw path tiles for Wave 1, Wave 6, Wave 11, and Wave 16
		for (var i = 0; i < gamePath.length; i++) {
			var pathTile = LK.getAsset('bullet', {
				anchorX: 0.5,
				anchorY: 0.5,
				scaleX: 3.75,
				scaleY: 3.75
			});
			pathTile.x = gamePath[i].x;
			pathTile.y = gamePath[i].y;
			pathTile.alpha = 0.9;
			pathTile.tint = 0x8B4513;
			game.addChild(pathTile);
		}
		// Draw connecting segments for Wave 1, Wave 6, Wave 11, and Wave 16
		for (var i = 0; i < gamePath.length - 1; i++) {
			var startPoint = gamePath[i];
			var endPoint = gamePath[i + 1];
			var dx = endPoint.x - startPoint.x;
			var dy = endPoint.y - startPoint.y;
			var distance = Math.sqrt(dx * dx + dy * dy);
			var segments = Math.ceil(distance / 20);
			for (var j = 1; j < segments; j++) {
				var t = j / segments;
				var segmentX = startPoint.x + dx * t;
				var segmentY = startPoint.y + dy * t;
				var segmentTile = LK.getAsset('bullet', {
					anchorX: 0.5,
					anchorY: 0.5,
					scaleX: 3.75,
					scaleY: 3.75
				});
				segmentTile.x = segmentX;
				segmentTile.y = segmentY;
				segmentTile.alpha = 0.8;
				segmentTile.tint = 0x8B4513;
				game.addChild(segmentTile);
			}
		}
		// Update base position to match path endpoint exactly for special waves
		if (base && gamePath.length > 0) {
			// Set base position to exactly match the final path point
			base.x = gamePath[gamePath.length - 1].x;
			base.y = gamePath[gamePath.length - 1].y;
		}
		if (baslangicImage) {
			// Ensure baslangic stays within screen bounds with safety margin
			var baslangicSafetyMargin = 100;
			baslangicImage.x = Math.max(baslangicSafetyMargin, Math.min(2048 - baslangicSafetyMargin, gamePath[0].x));
			baslangicImage.y = Math.max(baslangicSafetyMargin, Math.min(2732 - baslangicSafetyMargin, gamePath[0].y));
		}
		// Ensure base and baslangic stay in foreground
		if (base) game.addChild(base);
		if (baslangicImage) game.addChild(baslangicImage);
		// Update previous wave path length for Wave 1, Wave 6, Wave 11, and Wave 16
		var actualPathLength = calculatePathLength();
		if (actualPathLength > 0) {
			previousWavePathLength = actualPathLength;
			wavePathLengths[currentWave - 1] = actualPathLength; // Store current wave length
			// Save to database
			storage.previousWavePathLength = previousWavePathLength;
			storage.wavePathLengths = wavePathLengths;
		} else {
			// Fallback to expected length
			var fallbackLength = currentWave === 1 ? 3000 : currentWave === 6 ? 3300 : currentWave === 11 ? 3600 : 4000;
			previousWavePathLength = fallbackLength;
			wavePathLengths[currentWave - 1] = fallbackLength;
			// Save to database
			storage.previousWavePathLength = previousWavePathLength;
			storage.wavePathLengths = wavePathLengths;
		}
		return; // Exit early for Wave 1, Wave 6, Wave 11, and Wave 16
	}
	// Calculate safe boundaries with extremely strict margins to ensure complete visibility
	var screenWidth = 2048;
	var screenHeight = 2732;
	// Use much stricter margins: 45% from top/bottom, 35% from left/right sides to guarantee complete visibility
	var minX = Math.floor(screenWidth * 0.35); // 35% from left (716 px)
	var maxX = screenWidth - Math.floor(screenWidth * 0.35); // 35% from right (1332 px)
	var minY = Math.floor(screenHeight * 0.45); // 45% from top (1229 px)
	var maxY = screenHeight - Math.floor(screenHeight * 0.45); // 45% from bottom (1503 px)
	// Set path length based on wave - Wave 1 is 3000px, others use previous wave length + 300px
	var targetPathLength;
	if (currentWave === 1) {
		targetPathLength = 3000;
	} else {
		// For other waves, use the actual path length from previous wave plus 300px
		var prevWaveLength = wavePathLengths.length >= currentWave - 1 ? wavePathLengths[currentWave - 2] : previousWavePathLength;
		targetPathLength = prevWaveLength + 300;
		// Special enforcement for Wave 6 to ensure it's exactly 3300 pixels (like Wave 1's 3000px requirement)
		if (currentWave === 6) {
			targetPathLength = 3300; // Wave 6 is always exactly 3300 pixels
		}
	}
	// Function to calculate distance from point to line segment
	function distanceToLineSegment(point, lineStart, lineEnd) {
		var A = point.x - lineStart.x;
		var B = point.y - lineStart.y;
		var C = lineEnd.x - lineStart.x;
		var D = lineEnd.y - lineStart.y;
		var dot = A * C + B * D;
		var lenSq = C * C + D * D;
		if (lenSq === 0) return Math.sqrt(A * A + B * B);
		var param = dot / lenSq;
		var xx, yy;
		if (param < 0) {
			xx = lineStart.x;
			yy = lineStart.y;
		} else if (param > 1) {
			xx = lineEnd.x;
			yy = lineEnd.y;
		} else {
			xx = lineStart.x + param * C;
			yy = lineStart.y + param * D;
		}
		var dx = point.x - xx;
		var dy = point.y - yy;
		return Math.sqrt(dx * dx + dy * dy);
	}
	// Function to check if two line segments intersect
	function doLinesIntersect(p1, q1, p2, q2) {
		function orientation(p, q, r) {
			var val = (q.y - p.y) * (r.x - q.x) - (q.x - p.x) * (r.y - q.y);
			if (val === 0) return 0; // collinear
			return val > 0 ? 1 : 2; // clockwise or counterclockwise
		}
		function onSegment(p, q, r) {
			return q.x <= Math.max(p.x, r.x) && q.x >= Math.min(p.x, r.x) && q.y <= Math.max(p.y, r.y) && q.y >= Math.min(p.y, r.y);
		}
		var o1 = orientation(p1, q1, p2);
		var o2 = orientation(p1, q1, q2);
		var o3 = orientation(p2, q2, p1);
		var o4 = orientation(p2, q2, q1);
		// General case
		if (o1 !== o2 && o3 !== o4) return true;
		// Special cases
		if (o1 === 0 && onSegment(p1, p2, q1)) return true;
		if (o2 === 0 && onSegment(p1, q2, q1)) return true;
		if (o3 === 0 && onSegment(p2, p1, q2)) return true;
		if (o4 === 0 && onSegment(p2, q1, q2)) return true;
		return false;
	}
	// Function to check if proposed segment would intersect or get too close to existing path
	function wouldIntersectPath(newStart, newEnd, existingPath) {
		// Strict minimum distance to prevent any crossing or touching
		var minDistance = 350; // Increased minimum distance significantly
		var minSafeDistance = 200; // Minimum safe distance for any part of path
		// Primary check: Direct line intersection with ANY existing segment (except immediate connection)
		for (var i = 0; i < existingPath.length - 1; i++) {
			var segStart = existingPath[i];
			var segEnd = existingPath[i + 1];
			// Skip only the immediate previous segment that we're connecting from
			if (i === existingPath.length - 2) continue;
			// Check for any intersection between the new segment and existing segments
			if (doLinesIntersect(newStart, newEnd, segStart, segEnd)) {
				return true;
			}
		}
		// Secondary check: Ensure new segment maintains safe distance from ALL existing segments
		for (var i = 0; i < existingPath.length - 1; i++) {
			var segStart = existingPath[i];
			var segEnd = existingPath[i + 1];
			// Skip only the immediate previous segment
			if (i === existingPath.length - 2) continue;
			// Calculate minimum distance between the new segment and existing segment
			var dist1 = distanceToLineSegment(newStart, segStart, segEnd);
			var dist2 = distanceToLineSegment(newEnd, segStart, segEnd);
			var dist3 = distanceToLineSegment(segStart, newStart, newEnd);
			var dist4 = distanceToLineSegment(segEnd, newStart, newEnd);
			var minimumSegmentDistance = Math.min(dist1, dist2, dist3, dist4);
			// Reject if any part of the segments get too close
			if (minimumSegmentDistance < minSafeDistance) {
				return true;
			}
		}
		// Tertiary check: Ensure new endpoint doesn't get too close to any existing path points
		for (var i = 0; i < existingPath.length; i++) {
			var pathPoint = existingPath[i];
			// Skip only the immediate previous point we're connecting from
			if (i === existingPath.length - 1) continue;
			// Calculate distance from new endpoint to existing path points
			var distToEnd = Math.sqrt((newEnd.x - pathPoint.x) * (newEnd.x - pathPoint.x) + (newEnd.y - pathPoint.y) * (newEnd.y - pathPoint.y));
			// Use increasingly strict distance requirements for older path points
			var ageMultiplier = 1.0 + (existingPath.length - 1 - i) * 0.2; // Older points need more distance
			var requiredDistance = minDistance * ageMultiplier;
			if (distToEnd < requiredDistance) {
				return true;
			}
		}
		// Quaternary check: Prevent sharp reversals that could lead to future self-intersection
		if (existingPath.length >= 2) {
			var prevPoint = existingPath[existingPath.length - 1];
			var prevPrevPoint = existingPath[existingPath.length - 2];
			// Calculate direction vectors
			var prevDirX = prevPoint.x - prevPrevPoint.x;
			var prevDirY = prevPoint.y - prevPrevPoint.y;
			var newDirX = newEnd.x - newStart.x;
			var newDirY = newEnd.y - newStart.y;
			// Calculate angle between directions using dot product
			var dotProduct = prevDirX * newDirX + prevDirY * newDirY;
			var prevLength = Math.sqrt(prevDirX * prevDirX + prevDirY * prevDirY);
			var newLength = Math.sqrt(newDirX * newDirX + newDirY * newDirY);
			if (prevLength > 0 && newLength > 0) {
				var cosAngle = dotProduct / (prevLength * newLength);
				// Prevent sharp reversals (angles greater than 140 degrees)
				if (cosAngle < -0.64) {
					// cos(140°) ≈ -0.64
					return true;
				}
			}
		}
		// Final comprehensive check: Ensure the new segment doesn't create potential for future loops
		// by checking if it would "enclose" any existing path segments
		if (existingPath.length >= 3) {
			// Check if the new segment would create a potential enclosed area with any non-adjacent path segments
			for (var i = 0; i < existingPath.length - 3; i++) {
				// Check against segments that are not adjacent
				var oldSegStart = existingPath[i];
				var oldSegEnd = existingPath[i + 1];
				// Calculate if new segment and old segment could form an enclosed area
				// Check if segments are oriented in a way that could trap path points between them
				var cross1 = (newEnd.x - newStart.x) * (oldSegStart.y - newStart.y) - (newEnd.y - newStart.y) * (oldSegStart.x - newStart.x);
				var cross2 = (newEnd.x - newStart.x) * (oldSegEnd.y - newStart.y) - (newEnd.y - newStart.y) * (oldSegEnd.x - newStart.x);
				var cross3 = (oldSegEnd.x - oldSegStart.x) * (newStart.y - oldSegStart.y) - (oldSegEnd.y - oldSegStart.y) * (newStart.x - oldSegStart.x);
				var cross4 = (oldSegEnd.x - oldSegStart.x) * (newEnd.y - oldSegStart.y) - (oldSegEnd.y - oldSegStart.y) * (newEnd.x - oldSegStart.x);
				// If segments create opposing orientations, they might enclose an area - reject this
				if (cross1 > 0 !== cross2 > 0 && cross3 > 0 !== cross4 > 0) {
					return true;
				}
			}
		}
		return false;
	}
	// Create varied path shapes while maintaining characteristics
	gamePath = [];
	var baseSegmentLength = currentWave === 1 ? 500 : Math.floor(300 * pathExtensionFactor); // Base segment length for Wave 1 calculation
	// For Wave 1, calculate exact segment lengths to total exactly 3000 pixels
	var numSegments = currentWave === 1 ? 6 : Math.max(6, Math.floor(5 + currentWave * 0.5)); // 6 segments for 3000 pixel Wave 1 path
	var turnCount = 0; // Track number of turns
	// Starting position - more randomized for all waves within safe boundaries
	var startX, startY;
	if (currentWave === 1) {
		// Wave 1 gets some randomization but stays in left area
		startX = 150 + Math.random() * 200; // 150-350 range
		startY = 800 + Math.random() * 400; // 800-1200 range
	} else {
		// Other waves get full randomization within safe boundaries
		startX = minX + 100 + Math.random() * (maxX - minX - 200);
		startY = minY + 100 + Math.random() * (maxY - minY - 200);
	}
	gamePath.push({
		x: startX,
		y: startY
	});
	var currentX = startX;
	var currentY = startY;
	// Randomize starting direction for more variety
	var possibleStartDirections = [];
	if (startX + 300 <= maxX) possibleStartDirections.push(0); // right
	if (startY + 300 <= maxY) possibleStartDirections.push(1); // down  
	if (startX - 300 >= minX) possibleStartDirections.push(2); // left
	if (startY - 300 >= minY) possibleStartDirections.push(3); // up
	var direction = possibleStartDirections.length > 0 ? possibleStartDirections[Math.floor(Math.random() * possibleStartDirections.length)] : 0;
	var totalPathLength = 0; // Track total path length built so far
	var segmentLengths = []; // Pre-calculate segment lengths to total exactly 3000 pixels
	// Calculate exact segment lengths to achieve target path length
	if (currentWave === 1) {
		// For Wave 1, use simple fixed segments that always total exactly 3000 pixels
		segmentLengths = [500, 500, 500, 500, 500, 500]; // 6 segments of 500 pixels each = 3000 total
	} else {
		// For subsequent waves, calculate segments to achieve exact target length with randomization
		var baseSegmentLength = Math.floor(targetPathLength / numSegments);
		var remainder = targetPathLength % numSegments;
		segmentLengths = [];
		// Create randomized segment lengths while maintaining total target length
		var totalAllocated = 0;
		for (var i = 0; i < numSegments; i++) {
			if (i === numSegments - 1) {
				// Last segment gets remaining length to ensure exact total
				segmentLengths.push(targetPathLength - totalAllocated);
			} else {
				// Add randomization: ±30% variation from base length
				var minLength = Math.max(200, Math.floor(baseSegmentLength * 0.7));
				var maxLength = Math.floor(baseSegmentLength * 1.3);
				var randomLength = minLength + Math.floor(Math.random() * (maxLength - minLength + 1));
				// Add remainder distribution
				randomLength += i < remainder ? 1 : 0;
				// Ensure we don't exceed target length with remaining segments
				var remainingSegments = numSegments - i - 1;
				var maxPossibleLength = targetPathLength - totalAllocated - remainingSegments * 200;
				randomLength = Math.min(randomLength, maxPossibleLength);
				segmentLengths.push(randomLength);
				totalAllocated += randomLength;
			}
		}
	}
	// Generate varied path with more turns based on path length
	// Calculate minimum turns based on target path length - more turns for longer paths
	var baseMinTurns = Math.max(3, Math.floor(targetPathLength / 1000)); // At least 1 turn per 1000px
	var maxTurns = Math.min(numSegments - 1, baseMinTurns + 2); // Cap maximum turns
	var minTurns = Math.max(3, baseMinTurns);
	// Create strategic turn points with randomization
	var mandatoryTurnSegments = [];
	if (numSegments >= 5) {
		// Distribute turns more evenly across the path with some randomization
		var turnSpacing = numSegments / (minTurns + 1);
		for (var t = 0; t < minTurns; t++) {
			var basePosition = Math.floor((t + 1) * turnSpacing);
			// Add randomization to turn positions (±20% variation)
			var variation = Math.floor(turnSpacing * 0.2);
			var randomOffset = Math.floor(Math.random() * (variation * 2 + 1)) - variation;
			var turnPosition = Math.max(1, Math.min(numSegments - 2, basePosition + randomOffset));
			// Ensure we don't duplicate turn positions
			if (mandatoryTurnSegments.indexOf(turnPosition) === -1) {
				mandatoryTurnSegments.push(turnPosition);
			}
		}
	}
	for (var seg = 0; seg < numSegments; seg++) {
		// Use pre-calculated segment length for exact path length control
		var segmentLength = segmentLengths[seg] || Math.max(250, baseSegmentLength + Math.random() * 200 - 100);
		var attempts = 0;
		var validSegmentFound = false;
		var forceTurn = mandatoryTurnSegments.indexOf(seg) !== -1; // Force turn at strategic segments
		while (!validSegmentFound && attempts < 50) {
			// Increased max attempts
			var shouldTurn = false;
			// Force turn at mandatory segments or if we haven't turned enough
			if (forceTurn || turnCount < minTurns && seg >= numSegments - (minTurns - turnCount)) {
				shouldTurn = true;
			} else if (turnCount < minTurns && seg > 0 && Math.random() < 0.85) {
				// High chance of turning when we need more turns
				shouldTurn = true;
			} else if (turnCount >= minTurns && turnCount < maxTurns && seg > 0 && Math.random() < 0.6) {
				// Medium chance for additional turns up to maximum
				shouldTurn = true;
			} else if (turnCount >= maxTurns && seg > 0 && Math.random() < 0.2) {
				// Low chance after reaching maximum turns
				shouldTurn = true;
			}
			if (shouldTurn && seg > 0) {
				// Don't turn on first segment
				// Change direction (90-degree turn)
				var oldDirection = direction;
				var possibleDirections = [];
				// Calculate valid directions based on current position and safe boundaries
				if (direction !== 2 && currentX + segmentLength <= maxX) possibleDirections.push(0); // right
				if (direction !== 3 && currentY + segmentLength <= maxY) possibleDirections.push(1); // down
				if (direction !== 0 && currentX - segmentLength >= minX) possibleDirections.push(2); // left
				if (direction !== 1 && currentY - segmentLength >= minY) possibleDirections.push(3); // up
				// Remove the current direction to force an actual turn
				var filteredDirections = [];
				for (var d = 0; d < possibleDirections.length; d++) {
					if (possibleDirections[d] !== direction) {
						filteredDirections.push(possibleDirections[d]);
					}
				}
				if (filteredDirections.length > 0) {
					direction = filteredDirections[Math.floor(Math.random() * filteredDirections.length)];
					turnCount++;
				} else if (possibleDirections.length > 0) {
					// Fallback to any valid direction if no turn is possible
					direction = possibleDirections[Math.floor(Math.random() * possibleDirections.length)];
				}
			}
			// Calculate next position based on direction with boundary checking
			var nextX = currentX;
			var nextY = currentY;
			var wouldExceedBounds = false;
			if (direction === 0) {
				// right
				nextX = currentX + segmentLength;
				if (nextX > maxX) wouldExceedBounds = true;
			} else if (direction === 1) {
				// down
				nextY = currentY + segmentLength;
				if (nextY > maxY) wouldExceedBounds = true;
			} else if (direction === 2) {
				// left
				nextX = currentX - segmentLength;
				if (nextX < minX) wouldExceedBounds = true;
			} else if (direction === 3) {
				// up
				nextY = currentY - segmentLength;
				if (nextY < minY) wouldExceedBounds = true;
			}
			// If path would go off-screen, increment turn count instead
			if (wouldExceedBounds) {
				turnCount++;
				// Try a different direction that stays within bounds
				var safeDirections = [];
				if (currentX + segmentLength <= maxX && direction !== 2) safeDirections.push(0); // right
				if (currentY + segmentLength <= maxY && direction !== 3) safeDirections.push(1); // down
				if (currentX - segmentLength >= minX && direction !== 0) safeDirections.push(2); // left
				if (currentY - segmentLength >= minY && direction !== 1) safeDirections.push(3); // up
				if (safeDirections.length > 0) {
					direction = safeDirections[Math.floor(Math.random() * safeDirections.length)];
					// Recalculate position with new direction
					if (direction === 0) {
						nextX = currentX + segmentLength;
					} else if (direction === 1) {
						nextY = currentY + segmentLength;
					} else if (direction === 2) {
						nextX = currentX - segmentLength;
					} else if (direction === 3) {
						nextY = currentY - segmentLength;
					}
				} else {
					// No safe direction available, reduce segment length
					segmentLength = Math.min(segmentLength, Math.min(maxX - currentX, currentX - minX, maxY - currentY, currentY - minY));
					nextX = currentX + (direction === 0 ? segmentLength : direction === 2 ? -segmentLength : 0);
					nextY = currentY + (direction === 1 ? segmentLength : direction === 3 ? -segmentLength : 0);
				}
			}
			// Final boundary enforcement with extra strict validation
			var extraSafetyMargin = 250; // Additional margin for absolute safety
			nextX = Math.max(minX + extraSafetyMargin, Math.min(maxX - extraSafetyMargin, nextX));
			nextY = Math.max(minY + extraSafetyMargin, Math.min(maxY - extraSafetyMargin, nextY));
			// Double-check boundaries are respected
			if (nextX < minX + extraSafetyMargin || nextX > maxX - extraSafetyMargin || nextY < minY + extraSafetyMargin || nextY > maxY - extraSafetyMargin) {
				// Force position to safe center area if still problematic
				nextX = minX + (maxX - minX) * 0.5;
				nextY = minY + (maxY - minY) * 0.5;
			}
			// Ensure we're moving towards the general end area in later segments
			if (seg > numSegments * 0.7) {
				var targetEndX = maxX - 200; // Target area near right edge but within boundaries
				if (nextX < targetEndX) {
					nextX = Math.min(maxX, currentX + Math.abs(segmentLength));
					direction = 0;
				}
			}
			// Check if this segment would intersect existing path
			var proposedStart = {
				x: currentX,
				y: currentY
			};
			var proposedEnd = {
				x: nextX,
				y: nextY
			};
			// Check intersection with much stricter criteria
			var isValidSegment = false;
			if (gamePath.length < 2) {
				// First few segments are always safe
				isValidSegment = true;
			} else {
				// For subsequent segments, apply strict intersection checking
				isValidSegment = !wouldIntersectPath(proposedStart, proposedEnd, gamePath);
			}
			// Comprehensive boundary validation with much larger safety margins
			var largeSafetyMargin = 600; // Much larger safety margin to guarantee visibility
			var finalX = Math.max(minX + largeSafetyMargin, Math.min(maxX - largeSafetyMargin, nextX));
			var finalY = Math.max(minY + largeSafetyMargin, Math.min(maxY - largeSafetyMargin, nextY));
			// Triple validation - ensure path point is completely within safe bounds with generous margins
			var isWithinBounds = finalX >= minX + largeSafetyMargin && finalX <= maxX - largeSafetyMargin && finalY >= minY + largeSafetyMargin && finalY <= maxY - largeSafetyMargin;
			// Additional check: ensure the point is not too close to screen edges
			var distFromLeft = finalX - 0;
			var distFromRight = screenWidth - finalX;
			var distFromTop = finalY - 0;
			var distFromBottom = screenHeight - finalY;
			var minScreenDistance = 700; // Minimum distance from any screen edge
			var isSafeFromEdges = distFromLeft >= minScreenDistance && distFromRight >= minScreenDistance && distFromTop >= minScreenDistance && distFromBottom >= minScreenDistance;
			isWithinBounds = isWithinBounds && isSafeFromEdges;
			if (isValidSegment && isWithinBounds) {
				gamePath.push({
					x: finalX,
					y: finalY
				});
				currentX = finalX;
				currentY = finalY;
				validSegmentFound = true;
			} else {
				// Segment would intersect - try different approach
				attempts++;
				// Reduce segment length for intersection avoidance (except for pre-calculated lengths)
				if (seg >= segmentLengths.length || currentWave === 1) {
					// Keep original length for pre-calculated segments
				} else {
					segmentLength = Math.max(150, segmentLength * 0.7);
				}
				// After several attempts, try completely different directions
				if (attempts > 10) {
					var availableDirections = [];
					// Check all directions for validity
					if (currentWave === 1) {
						// For Wave 1, use original segment length for direction checking
						var checkLength = segmentLengths[seg];
						if (currentX + checkLength <= maxX && direction !== 2) availableDirections.push(0); // right
						if (currentY + checkLength <= maxY && direction !== 3) availableDirections.push(1); // down
						if (currentX - checkLength >= minX && direction !== 0) availableDirections.push(2); // left
						if (currentY - checkLength >= minY && direction !== 1) availableDirections.push(3); // up
					} else {
						if (currentX + 200 <= maxX && direction !== 2) availableDirections.push(0); // right
						if (currentY + 200 <= maxY && direction !== 3) availableDirections.push(1); // down
						if (currentX - 200 >= minX && direction !== 0) availableDirections.push(2); // left
						if (currentY - 200 >= minY && direction !== 1) availableDirections.push(3); // up
					}
					if (availableDirections.length > 0) {
						direction = availableDirections[Math.floor(Math.random() * availableDirections.length)];
						if (currentWave !== 1) {
							segmentLength = 200; // Reset to smaller safe length
						}
					}
				}
			}
		}
		if (!validSegmentFound) {
			// Force a valid segment if we can't find one - try multiple directions
			var fallbackFound = false;
			var fallbackDirections = [0, 1, 2, 3]; // right, down, left, up
			for (var fd = 0; fd < fallbackDirections.length && !fallbackFound; fd++) {
				var fallbackDir = fallbackDirections[fd];
				var fallbackLength = seg < segmentLengths.length ? segmentLengths[seg] : 200;
				var fallbackX = currentX;
				var fallbackY = currentY;
				if (fallbackDir === 0 && currentX + fallbackLength <= maxX) {
					// right
					fallbackX = currentX + fallbackLength;
				} else if (fallbackDir === 1 && currentY + fallbackLength <= maxY) {
					// down
					fallbackY = currentY + fallbackLength;
				} else if (fallbackDir === 2 && currentX - fallbackLength >= minX) {
					// left
					fallbackX = currentX - fallbackLength;
				} else if (fallbackDir === 3 && currentY - fallbackLength >= minY) {
					// up
					fallbackY = currentY - fallbackLength;
				} else {
					continue; // Try next direction
				}
				var fallbackStart = {
					x: currentX,
					y: currentY
				};
				var fallbackEnd = {
					x: fallbackX,
					y: fallbackY
				};
				// Check if this fallback direction works
				// Ensure fallback position is within boundaries with extra safety margin
				var safetyMargin = 500; // Additional safety margin for fallback
				var safeFallbackX = Math.max(minX + safetyMargin, Math.min(maxX - safetyMargin, fallbackX));
				var safeFallbackY = Math.max(minY + safetyMargin, Math.min(maxY - safetyMargin, fallbackY));
				// Comprehensive fallback validation with strict boundary checking
				var fallbackSafetyMargin = 650; // Even larger margin for fallback positions
				var fallbackWithinBounds = safeFallbackX >= minX + fallbackSafetyMargin && safeFallbackX <= maxX - fallbackSafetyMargin && safeFallbackY >= minY + fallbackSafetyMargin && safeFallbackY <= maxY - fallbackSafetyMargin;
				// Additional fallback validation: check distance from all screen edges
				var fallbackDistFromLeft = safeFallbackX - 0;
				var fallbackDistFromRight = screenWidth - safeFallbackX;
				var fallbackDistFromTop = safeFallbackY - 0;
				var fallbackDistFromBottom = screenHeight - safeFallbackY;
				var minFallbackDistance = 750;
				var fallbackSafeFromEdges = fallbackDistFromLeft >= minFallbackDistance && fallbackDistFromRight >= minFallbackDistance && fallbackDistFromTop >= minFallbackDistance && fallbackDistFromBottom >= minFallbackDistance;
				fallbackWithinBounds = fallbackWithinBounds && fallbackSafeFromEdges;
				if (fallbackWithinBounds && (gamePath.length < 2 || !wouldIntersectPath(fallbackStart, {
					x: safeFallbackX,
					y: safeFallbackY
				}, gamePath))) {
					gamePath.push({
						x: safeFallbackX,
						y: safeFallbackY
					});
					currentX = safeFallbackX;
					currentY = safeFallbackY;
					direction = fallbackDir;
					fallbackFound = true;
				}
			}
			// If still no valid segment found, break the loop to prevent infinite generation
			if (!fallbackFound) {
				break;
			}
		}
	}
	// Always ensure path connects to the base position as final endpoint
	// Calculate safe base position within boundaries
	var baseSafetyMargin = 200;
	var safeBaseX = Math.max(minX + baseSafetyMargin, Math.min(maxX - baseSafetyMargin, base.x));
	var safeBaseY = Math.max(minY + baseSafetyMargin, Math.min(maxY - baseSafetyMargin, base.y));
	// Check if we need to add intermediate points to connect to base
	var finalCurrentX = currentX;
	var finalCurrentY = currentY;
	var baseConnectionNeeded = true;
	// Calculate distance to base from current position
	var distanceToBase = Math.sqrt((safeBaseX - finalCurrentX) * (safeBaseX - finalCurrentX) + (safeBaseY - finalCurrentY) * (safeBaseY - finalCurrentY));
	// If we're far from base, add intermediate connecting points
	if (distanceToBase > 300) {
		// Calculate direction to base
		var directionToBaseX = safeBaseX - finalCurrentX;
		var directionToBaseY = safeBaseY - finalCurrentY;
		var normalizedX = directionToBaseX / distanceToBase;
		var normalizedY = directionToBaseY / distanceToBase;
		// Add intermediate points if needed (maximum 2 intermediate points)
		var maxIntermediatePoints = Math.min(2, Math.floor(distanceToBase / 300));
		for (var inter = 1; inter <= maxIntermediatePoints; inter++) {
			var stepSize = distanceToBase / (maxIntermediatePoints + 1);
			var intermediateX = finalCurrentX + normalizedX * stepSize * inter;
			var intermediateY = finalCurrentY + normalizedY * stepSize * inter;
			// Ensure intermediate point stays within bounds
			intermediateX = Math.max(minX + baseSafetyMargin, Math.min(maxX - baseSafetyMargin, intermediateX));
			intermediateY = Math.max(minY + baseSafetyMargin, Math.min(maxY - baseSafetyMargin, intermediateY));
			// Check if intermediate point would intersect existing path
			var intermediateStart = {
				x: finalCurrentX,
				y: finalCurrentY
			};
			var intermediateEnd = {
				x: intermediateX,
				y: intermediateY
			};
			if (gamePath.length < 2 || !wouldIntersectPath(intermediateStart, intermediateEnd, gamePath)) {
				gamePath.push({
					x: intermediateX,
					y: intermediateY
				});
				finalCurrentX = intermediateX;
				finalCurrentY = intermediateY;
			}
		}
	}
	// Always add base position as final endpoint
	gamePath.push({
		x: safeBaseX,
		y: safeBaseY
	});
	// Redraw path tiles using circles for smoother appearance
	for (var i = 0; i < gamePath.length; i++) {
		var pathTile = LK.getAsset('bullet', {
			anchorX: 0.5,
			anchorY: 0.5,
			scaleX: 3.75,
			scaleY: 3.75
		});
		pathTile.x = gamePath[i].x;
		pathTile.y = gamePath[i].y;
		pathTile.alpha = 0.9;
		pathTile.tint = 0x8B4513;
		game.addChild(pathTile);
	}
	// Draw connecting segments with circles for smoother road
	for (var i = 0; i < gamePath.length - 1; i++) {
		var startPoint = gamePath[i];
		var endPoint = gamePath[i + 1];
		var dx = endPoint.x - startPoint.x;
		var dy = endPoint.y - startPoint.y;
		var distance = Math.sqrt(dx * dx + dy * dy);
		var segments = Math.ceil(distance / 20);
		for (var j = 1; j < segments; j++) {
			var t = j / segments;
			var segmentX = startPoint.x + dx * t;
			var segmentY = startPoint.y + dy * t;
			var segmentTile = LK.getAsset('bullet', {
				anchorX: 0.5,
				anchorY: 0.5,
				scaleX: 3.75,
				scaleY: 3.75
			});
			segmentTile.x = segmentX;
			segmentTile.y = segmentY;
			segmentTile.alpha = 0.8;
			segmentTile.tint = 0x8B4513;
			game.addChild(segmentTile);
		}
	}
	// Ensure gamePath has valid elements
	if (!gamePath || gamePath.length === 0) {
		// Fallback path if generation failed
		gamePath = [{
			x: 100,
			y: 400
		}, {
			x: 1800,
			y: 1600
		}];
	}
	// Update base position to match final path endpoint exactly
	if (base && gamePath.length > 0) {
		// Set base position to exactly match the final path point
		base.x = gamePath[gamePath.length - 1].x;
		base.y = gamePath[gamePath.length - 1].y;
	}
	// Update baslangic position to new start position
	if (baslangicImage) {
		// Ensure baslangic stays within screen bounds with safety margin
		var baslangicSafetyMargin = 100;
		baslangicImage.x = Math.max(baslangicSafetyMargin, Math.min(2048 - baslangicSafetyMargin, gamePath[0].x));
		baslangicImage.y = Math.max(baslangicSafetyMargin, Math.min(2732 - baslangicSafetyMargin, gamePath[0].y));
	}
	// Ensure base and baslangic stay in foreground
	if (base) game.addChild(base);
	if (baslangicImage) game.addChild(baslangicImage);
	// Update previous wave path length for waves after Wave 1
	if (currentWave > 1) {
		var actualPathLength = calculatePathLength();
		if (actualPathLength > 0) {
			previousWavePathLength = actualPathLength;
			wavePathLengths[currentWave - 1] = actualPathLength; // Store current wave length
			// Save to database
			storage.previousWavePathLength = previousWavePathLength;
			storage.wavePathLengths = wavePathLengths;
		}
	}
	// Wave 1 path generation complete - no flag changes needed since we use currentWave condition
}
function startNextWave() {
	// Generate new path when wave starts
	generateNewPath();
	// Ensure gamePath has valid elements after generation
	if (!gamePath || gamePath.length === 0) {
		// Fallback path if generation failed
		gamePath = [{
			x: 100,
			y: 400
		}, {
			x: 1800,
			y: 1600
		}];
	}
	// Update base position to match path endpoint exactly
	if (base && gamePath.length > 0) {
		// Set base position to exactly match the final path point
		base.x = gamePath[gamePath.length - 1].x;
		base.y = gamePath[gamePath.length - 1].y;
	}
	if (baslangicImage) {
		// Ensure baslangic stays within screen bounds with safety margin
		var baslangicSafetyMargin = 100;
		baslangicImage.x = Math.max(baslangicSafetyMargin, Math.min(2048 - baslangicSafetyMargin, gamePath[0].x));
		baslangicImage.y = Math.max(baslangicSafetyMargin, Math.min(2732 - baslangicSafetyMargin, gamePath[0].y));
	}
}
function clearAllTowers() {
	for (var i = towers.length - 1; i >= 0; i--) {
		towers[i].destroy();
	}
	towers = [];
}
function spawnBossEnemy() {
	var waveMultiplier = Math.floor((currentWave - 1) / 3);
	var totalEnemyHealth = 0;
	var enemyCount = enemiesPerWave * currentWave;
	// Calculate total health of all enemies that would spawn in wave 5
	for (var i = 0; i < enemyCount; i++) {
		var baseHealth = 100; // Basic enemy health
		if (currentWave > 3) baseHealth = 80; // Mix of basic and fast
		if (currentWave > 6) baseHealth = 120; // Mix of all types
		totalEnemyHealth += baseHealth * (1 + waveMultiplier * 0.5);
	}
	// Reduce boss health by 90% (keep only 10% of original health)
	var bossHealth = Math.floor(totalEnemyHealth * 0.1);
	var boss = new Enemy('boss', 0);
	boss.x = gamePath[0].x;
	boss.y = gamePath[0].y;
	boss.maxHealth = bossHealth;
	boss.health = bossHealth;
	boss.reward = 200;
	enemies.push(boss);
	game.addChild(boss);
	bossSpawned = true;
}
function showTowerInfo(tower) {
	if (!tower) return;
	if (towerInfoPanel) {
		towerInfoPanel.destroy();
	}
	var panel = LK.getAsset('base', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 2,
		scaleY: 1.5
	});
	panel.tint = 0x333333;
	panel.alpha = 0.8;
	// Ensure panel stays completely within screen bounds
	var panelWidth = 120 * 2; // base width * scaleX
	var panelHeight = 120 * 1.5; // base height * scaleY
	var panelMargin = 50;
	panel.x = Math.max(panelWidth / 2 + panelMargin, Math.min(2048 - panelWidth / 2 - panelMargin, tower.x));
	panel.y = Math.max(panelHeight / 2 + panelMargin, Math.min(2732 - panelHeight / 2 - panelMargin, Math.max(150, tower.y - 150)));
	game.addChild(panel);
	towerInfoPanel = panel;
	var infoText = new Text2('Level: ' + tower.level + '\nDamage: ' + tower.damage + '\nUpgrade: ' + tower.upgradeCost, {
		size: 25,
		fill: 0xFFFFFF
	});
	infoText.anchor.set(0.5, 0.5);
	infoText.x = 0;
	infoText.y = -25;
	panel.addChild(infoText);
	if (coins >= tower.upgradeCost) {
		var upgradeBtn = new Text2('UPGRADE', {
			size: 30,
			fill: 0x00FF00
		});
		upgradeBtn.anchor.set(0.5, 0.5);
		upgradeBtn.y = 35;
		panel.addChild(upgradeBtn);
	}
}
// Dropdown toggle handler
waveDropdownBtn.down = function () {
	dropdownVisible = !dropdownVisible;
	dropdownContainer.visible = dropdownVisible;
	waveDropdownBtn.setText(dropdownVisible ? 'Select Wave ▲' : 'Select Wave ▼');
};
// Wave button handlers
for (var i = 0; i < waveButtons.length; i++) {
	waveButtons[i].down = function (waveNum) {
		return function () {
			// Jump to selected wave
			jumpToWave(waveNum);
			// Hide dropdown
			dropdownVisible = false;
			dropdownContainer.visible = false;
			waveDropdownBtn.setText('Select Wave ▼');
		};
	}(waveButtons[i].waveNumber);
}
// Function to jump to specific wave
function jumpToWave(targetWave) {
	if (targetWave < 1) targetWave = 1;
	// Clear current enemies and bullets
	for (var i = enemies.length - 1; i >= 0; i--) {
		enemies[i].destroy();
	}
	enemies = [];
	for (var i = bullets.length - 1; i >= 0; i--) {
		bullets[i].destroy();
	}
	bullets = [];
	// Clear all towers
	clearAllTowers();
	// Set wave variables
	currentWave = targetWave;
	enemiesSpawned = 0;
	bossWave = currentWave % 5 === 0;
	bossSpawned = false;
	waveDelay = 60;
	// Reset base health and give appropriate coins for the wave
	baseHealth = 100;
	coins = 300 + (targetWave - 1) * 100; // Give coins based on wave
	// Update path lengths array for target wave
	while (wavePathLengths.length < targetWave) {
		var baseLength = wavePathLengths.length > 0 ? wavePathLengths[wavePathLengths.length - 1] : 3000;
		wavePathLengths.push(baseLength + 300);
	}
	if (targetWave > 1) {
		previousWavePathLength = wavePathLengths[targetWave - 2];
	} else {
		previousWavePathLength = 3000;
	}
	// Save to database
	storage.wavePathLengths = wavePathLengths;
	storage.previousWavePathLength = previousWavePathLength;
	// Generate new path for target wave
	startNextWave();
}
// Event handlers
basicTowerBtn.down = function () {
	selectedTowerType = 'basic';
	if (selectedTower) {
		selectedTower.hideRange();
		selectedTower = null;
	}
};
splashTowerBtn.down = function () {
	selectedTowerType = 'splash';
	if (selectedTower) {
		selectedTower.hideRange();
		selectedTower = null;
	}
};
slowTowerBtn.down = function () {
	selectedTowerType = 'slow';
	if (selectedTower) {
		selectedTower.hideRange();
		selectedTower = null;
	}
};
// Add click handlers for levelatla upgrade buttons
basicLevelatlaBtn.down = function () {
	if (coins >= towerInfoStats.basic.upgradeCost) {
		coins -= towerInfoStats.basic.upgradeCost;
		towerInfoStats.basic.level++;
		towerInfoStats.basic.damage = Math.floor(towerInfoStats.basic.damage * 1.5);
		towerInfoStats.basic.upgradeCost = Math.floor(towerInfoStats.basic.upgradeCost * 1.8);
	}
};
splashLevelatlaBtn.down = function () {
	if (coins >= towerInfoStats.splash.upgradeCost) {
		coins -= towerInfoStats.splash.upgradeCost;
		towerInfoStats.splash.level++;
		towerInfoStats.splash.damage = Math.floor(towerInfoStats.splash.damage * 1.5);
		towerInfoStats.splash.upgradeCost = Math.floor(towerInfoStats.splash.upgradeCost * 1.8);
	}
};
slowLevelatlaBtn.down = function () {
	if (coins >= towerInfoStats.slow.upgradeCost) {
		coins -= towerInfoStats.slow.upgradeCost;
		towerInfoStats.slow.level++;
		towerInfoStats.slow.damage = Math.floor(towerInfoStats.slow.damage * 1.5);
		towerInfoStats.slow.upgradeCost = Math.floor(towerInfoStats.slow.upgradeCost * 1.8);
	}
};
game.down = function (x, y, obj) {
	// Hide dropdown if clicking on game area
	if (dropdownVisible) {
		dropdownVisible = false;
		dropdownContainer.visible = false;
		waveDropdownBtn.setText('Select Wave ▼');
	}
	// Hide tower range if clicking elsewhere
	if (selectedTower) {
		selectedTower.hideRange();
		selectedTower = null;
	}
	// Try to place tower
	var towerCost = selectedTowerType === 'basic' ? 100 : selectedTowerType === 'splash' ? 200 : 150;
	if (coins >= towerCost && canPlaceTower(x, y)) {
		var tower = new Tower(selectedTowerType);
		tower.x = x;
		tower.y = y;
		towers.push(tower);
		game.addChild(tower);
		coins -= towerCost;
		// Update tower info stats
		towerInfoStats[selectedTowerType].level = Math.max(towerInfoStats[selectedTowerType].level, tower.level);
		towerInfoStats[selectedTowerType].damage = Math.max(towerInfoStats[selectedTowerType].damage, tower.damage);
		towerInfoStats[selectedTowerType].upgradeCost = Math.max(towerInfoStats[selectedTowerType].upgradeCost, tower.upgradeCost);
		LK.getSound('place').play();
	}
};
// Start the first wave
startNextWave();
// Main game loop
game.update = function () {
	// Spawn enemies
	if (bossWave) {
		// Boss wave spawning
		if (waveDelay <= 0 && !bossSpawned) {
			spawnBossEnemy();
			waveDelay = 0;
		} else {
			waveDelay--;
		}
	} else {
		// Normal wave spawning
		if (waveDelay <= 0 && enemiesSpawned < enemiesPerWave * currentWave) {
			spawnEnemy();
			waveDelay = 60; // 1 second between spawns
		} else {
			waveDelay--;
		}
	}
	// Check wave completion
	if (bossWave) {
		// Boss wave completion
		if (bossSpawned && enemies.length === 0) {
			// Store current boss wave path length before generating new path
			var bossWavePathLength = calculatePathLength();
			wavePathLengths[currentWave - 1] = bossWavePathLength;
			// Set previous wave path length to the boss wave path length
			// so the new path will be boss wave length + 300px
			previousWavePathLength = bossWavePathLength;
			// Save to database
			storage.wavePathLengths = wavePathLengths;
			storage.previousWavePathLength = previousWavePathLength;
			// Clear all towers when boss is killed
			clearAllTowers();
			// Reset path extension factor for new wave
			pathExtensionFactor = 1.0;
			currentWave++;
			enemiesSpawned = 0;
			// Generate new path with 300px increase when boss is killed
			startNextWave();
			coins += 100 * currentWave; // Bonus coins for completing boss wave
			waveDelay = 300; // 5 second break after boss
			bossWave = false;
			bossSpawned = false;
		}
	} else {
		// Normal wave completion - keep same path and towers
		if (enemiesSpawned >= enemiesPerWave * currentWave && enemies.length === 0) {
			// Check if this completes a set of 5 waves
			if (currentWave % 5 === 0) {
				// Start boss wave - don't regenerate path yet, wait for boss kill
				bossWave = true;
				bossSpawned = false;
				waveDelay = 180; // 3 second break before boss
			} else {
				// Normal wave progression - no path regeneration, no tower clearing
				currentWave++;
				enemiesSpawned = 0;
				coins += 25 * currentWave; // Bonus coins for completing wave
				waveDelay = 180; // 3 second break between waves
			}
		}
	}
	// Update enemies
	for (var i = enemies.length - 1; i >= 0; i--) {
		var enemy = enemies[i];
		if (enemy.pathIndex >= gamePath.length - 1) {
			// Enemy reached base
			// Check if this is a boss enemy - if so, game over immediately
			if (bossWave && enemy.health > 0) {
				// Boss reached base - game over
				LK.setScore(currentWave - 1);
				LK.showGameOver();
				return;
			}
			baseHealth--;
			enemy.destroy();
			enemies.splice(i, 1);
		}
	}
	// Update towers
	for (var i = 0; i < towers.length; i++) {
		towers[i].update();
	}
	// Update bullets
	for (var i = 0; i < bullets.length; i++) {
		bullets[i].update();
	}
	// Check game over
	if (baseHealth <= 0) {
		LK.setScore(currentWave - 1);
		LK.showGameOver();
	}
	// Update UI
	updateUI();
};